Comcast Corp (CMCSA)

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Over the last 90 days, Comcast Corp. has seen a net sell-off of $142,617.09 from executives. This activity is primarily driven by a single CFO transaction. The company's stock has experienced a notable decline of 19.7% over the same period, trading near its 52-week low.

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Stock chart

Ticker: CMCSA Exchange: NSM

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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings

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Company data & Insiders

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Trades

Armstrong Jason

CFO

2 sales — total 285,234 USD

Sale 5 Mar 2026

Value US$1,832,497.98 | Price 464.49 | Shares 9,981

Proposed sale 5 Mar 2026

Value US$1,156,573.36 | Price 136.31 | Shares 28,463

Cavanagh Michael J

Co-CEO

2 sales — total 3,785,098 USD

Sale 11 Feb 2026

Value US$705,479.01 | Price 324.94 | Shares 60,283

Proposed sale 11 Feb 2026

Value US$4,618,864.90 | Price 12.95 | Shares 1,089

NAKAHARA ASUKA

2 sales — total 491,535 USD

Sale 3 Feb 2026

Value US$245,767.50 | Price 29.70 | Shares 8,275

Proposed sale 3 Feb 2026

Value US$245,767.50 | Price 29.70 | Shares 8,275

ROBERTS BRIAN L

Chairman of Board & CEO

1 sale — total 10,061,170 USD

Sale 27 Nov 2024

Value US$10,061,170.01 | Price 42.80 | Shares 235,051

ROBERTS BRIAN L

Chairman of Board & CEO

1 sale — total 10,002,633 USD

Sale 26 Nov 2024

Value US$10,002,632.83 | Price 42.66 | Shares 234,464

Cavanagh Michael J

President

4 sales — total 11,329,424 USD

Sale 26 Nov 2024

Value US$4,577,045.28 | Price 42.53 | Shares 107,622

Sale 26 Nov 2024

Value US$1,087,666.80 | Price 42.59 | Shares 25,537

Proposed sale 26 Nov 2024

Value US$4,577,045.61 | Price 42.53 | Shares 107,622

Proposed sale 26 Nov 2024

Value US$1,087,666.34 | Price 42.59 | Shares 25,537

Brian L. Roberts

Affiliate

1 sale — total 20,409,817 USD

Proposed sale 26 Nov 2024

Value US$20,409,817.05 | Price 43.47 | Shares 469,515

BACON KENNETH J

1 sale — total 625,093 USD

Sale 22 Nov 2024

Value US$625,092.52 | Price 43.39 | Shares 14,408

Kenneth J. Bacon

Director

1 sale — total 626,316 USD

Proposed sale 22 Nov 2024

Value US$626,315.76 | Price 43.47 | Shares 14,408

Armstrong Jason

CFO

3 sales — total 2,085,090 USD

Sale 6 Nov 2024

Value US$593,944.93 | Price 44.83 | Shares 13,248

Sale 6 Nov 2024

Value US$448,600.00 | Price 44.86 | Shares 10,000

Proposed sale 6 Nov 2024

Value US$1,042,545.30 | Price 44.84 | Shares 23,248

Cavanagh Michael J

President

2 sales — total 10,580,389 USD

Sale 29 Jan 2024

Value US$5,290,192.82 | Price 46.10 | Shares 114,749

Proposed sale 29 Jan 2024

Value US$5,290,195.72 | Price 46.10 | Shares 114,749

Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other

Notification date	Transaction date	B/S Transaction type	Insider and/or position	Nb. shares Price Value	Number of shares	Price	Value
2026-03-06	2026-03-05	S Sale	2.8 Armstrong Jason CFO Officer	9,981 +22.4% 464.49 US$1,832,498	9,981 +22.4%	464.49	US$1,832,498
2026-03-05	2026-03-05	PrS Proposed sale	2.8 Armstrong Jason Officer Officer	28,463 136.31 US$1,156,573	28,463	136.31	US$1,156,573
2026-02-13	2026-02-11	S Sale	3.8 Cavanagh Michael J Co-CEO Executive Director	60,283 +17.7% 324.94 US$705,479	60,283 +17.7%	324.94	US$705,479
2026-02-11	2026-02-11	PrS Proposed sale	3.8 Cavanagh Michael J Member of immediate family of any of the foregoing	57,947 32.66 US$1,892,549	57,947	32.66	US$1,892,549
2026-02-04	2026-02-03	S Sale	3.6 NAKAHARA ASUKA Non-Executive Director	8,275 -12.5% 29.70 US$245,768	8,275 -12.5%	29.70	US$245,768
2026-02-03	2026-02-03	PrS Proposed sale	3.6 NAKAHARA ASUKA Director Non-Executive Director	8,275 29.70 US$245,768	8,275	29.70	US$245,768
2024-11-29	2024-11-27	S Sale	3.1 ROBERTS BRIAN L Chairman of Board & CEO Executive Director	235,051 -3.5% 42.80 US$10,061,170	235,051 -3.5%	42.80	US$10,061,170
2024-11-29	2024-11-26	S Sale	3.1 ROBERTS BRIAN L Chairman of Board & CEO Executive Director	234,464 -3.4% 42.66 US$10,002,633	234,464 -3.4%	42.66	US$10,002,633
2024-11-29	2024-11-26	S Sale	3.8 Cavanagh Michael J President Officer	107,622 -19.2% 42.53 US$4,577,045	107,622 -19.2%	42.53	US$4,577,045
2024-11-29	2024-11-26	S Sale	3.8 Cavanagh Michael J President Officer	25,537 -4.6% 42.59 US$1,087,667	25,537 -4.6%	42.59	US$1,087,667
2024-11-26	2024-11-26	PrS Proposed sale	3.1 Brian L. Roberts Affiliate	469,515 43.47 US$20,409,817	469,515	43.47	US$20,409,817
2024-11-26	2024-11-26	PrS Proposed sale	3.8 Cavanagh Michael J Member of immediate family of any of the foregoing	107,622 42.53 US$4,577,046	107,622	42.53	US$4,577,046
2024-11-26	2024-11-26	PrS Proposed sale	3.8 Cavanagh Michael J Officer Officer	25,537 42.59 US$1,087,666	25,537	42.59	US$1,087,666
2024-11-25	2024-11-22	S Sale	3.2 BACON KENNETH J Non-Executive Director	14,408 -30.6% 43.39 US$625,093	14,408 -30.6%	43.39	US$625,093
2024-11-22	2024-11-22	PrS Proposed sale	3.2 Kenneth J. Bacon Director Non-Executive Director	14,408 43.47 US$626,316	14,408	43.47	US$626,316
2024-11-07	2024-11-06	S Sale	2.8 Armstrong Jason CFO Officer	13,248 -14.2% 44.83 US$593,945	13,248 -14.2%	44.83	US$593,945
2024-11-07	2024-11-06	S Sale	2.8 Armstrong Jason CFO Officer	10,000 -9.7% 44.86 US$448,600	10,000 -9.7%	44.86	US$448,600
2024-11-06	2024-11-06	PrS Proposed sale	2.8 Armstrong Jason Officer Officer	23,248 44.84 US$1,042,545	23,248	44.84	US$1,042,545
2024-01-30	2024-01-29	S Sale	3.8 Cavanagh Michael J President Officer	114,749 -100.0% 46.10 US$5,290,193	114,749 -100.0%	46.10	US$5,290,193
2024-01-29	2024-01-29	PrS Proposed sale	3.8 Cavanagh Michael J Officer Officer	114,749 46.10 US$5,290,196	114,749	46.10	US$5,290,196